/usr/include/sphinxtrain/kmeans.h is in sphinxtrain-dev 1.0.8-0ubuntu3.
This file is owned by root:root, with mode 0o644.
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* Copyright (c) 1994-2000 Carnegie Mellon University. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* This work was supported in part by funding from the Defense Advanced
* Research Projects Agency and the National Science Foundation of the
* United States of America, and the CMU Sphinx Speech Consortium.
*
* THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND
* ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY
* NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ====================================================================
*
*/
/*********************************************************************
*
* File: kmeans.h
*
* Description:
*
* Author:
*
*********************************************************************/
#ifndef KMEANS_H
#define KMEANS_H
#ifdef __cplusplus
extern "C" {
#endif
#if 0
}
#endif
#include <sphinxbase/prim_type.h>
#include <s3/vector.h>
typedef uint32 codew_t;
typedef struct idx_dist_s {
uint32 idx;
float64 d;
} idx_dist_t;
void k_means_set_get_obs(vector_t (*fn)(uint32 i));
float64
k_means(vector_t *mean, /* initial set of means */
uint32 n_mean, /* # of means (should be k_mean?) */
uint32 n_obs, /* # of observations */
uint32 veclen, /* vector length of means and corpus */
float32 min_sqerr_ratio,
uint32 max_iter, /* If not converged by this count, just quit */
codew_t **out_label); /* The final labelling of the corpus according
to the adjusted means; if NULL passed, just
discarded. */
float64
k_means_label(codew_t *label,
vector_t *mean,
uint32 n_mean, /* # of mean vectors */
uint32 n_obs, /* in # of vectors */
uint32 vector_len);
float64
k_means_trineq(vector_t *mean, /* initial set of means */
uint32 n_mean, /* # of means (should be k_mean?) */
uint32 n_obs, /* # of observations */
uint32 veclen, /* vector length of means and corpus */
float32 min_sqerr_ratio,
uint32 max_iter, /* If not converged by this count, just quit */
codew_t **out_label); /* The final labelling of the corpus according
to the adjusted means; if NULL passed, just
discarded. */
float64
k_means_label_trineq(codew_t *label,
vector_t *mean,
uint32 n_mean, /* # of mean vectors */
idx_dist_t **nnmap,
uint32 n_obs, /* in # of vectors */
uint32 veclen);
#define K_MEANS_SUCCESS 0
#define K_MEANS_EMPTY_CODEWORD -1
int
k_means_update(vector_t *mean,
uint32 n_mean,
uint32 vector_len,
codew_t *label,
uint32 n_obs);
float64
k_means_subset(vector_t *mean, /* initial set of means */
uint32 n_mean, /* # of means (should be k_mean?) */
uint32 *subset,
uint32 n_obs_subset, /* # of observations */
uint32 veclen, /* vector length of means and corpus */
float32 min_sqerr_ratio,
uint32 max_iter, /* If not converged by this count, just quit */
codew_t **out_label); /* The final labelling of the corpus according
to the adjusted means; if NULL passed, just
discarded. */
float64
k_means_label_subset(codew_t *label,
vector_t *mean,
uint32 n_mean, /* # of mean vectors */
uint32 *subset,
uint32 n_obs_subset, /* in # of vectors */
uint32 vector_len);
int
k_means_update_subset(vector_t *mean,
uint32 n_mean,
uint32 vector_len,
uint32 *subset,
codew_t *label,
uint32 n_obs_subset);
#ifdef __cplusplus
}
#endif
#endif /* KMEANS_H */
/*
* Log record. Maintained by RCS.
*
* $Log$
* Revision 1.4 2004/07/21 17:46:09 egouvea
* Changed the license terms to make it the same as sphinx2 and sphinx3.
*
* Revision 1.3 2001/04/05 20:02:30 awb
* *** empty log message ***
*
* Revision 1.2 2000/09/29 22:35:12 awb
* *** empty log message ***
*
* Revision 1.1 2000/09/24 21:38:30 awb
* *** empty log message ***
*
* Revision 1.2 97/07/16 11:39:10 eht
* *** empty log message ***
*
* Revision 1.1 96/01/26 18:33:02 eht
* Initial revision
*
*
*/
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